-77.37% is the change from 835 to 189
Calculation steps:
[( 189 - 835 ) ÷ 835] x 100 = -77.37%
Formula
Percentage change = [(189 - 835) / 835] x 100
Subtract the new number by the original number
189 - 835 = -646
-646 ÷ 835 = -0.7736526946107785
-0.7736526946107785 x 100 = -77.37%